.gpr file: how to open it on Windows

3 Windows apps register the .gpr extension. Install one of them to open the file with a double-click.

About the format

Format

General Purpose RAW

PRONOM identifier

fmt/1849

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

• 
  darktable

  Photography workflow application and raw developer

  Open source 5.6.2 85.7K ↓ ★ 13.3K
• 
  ImageGlass

  A lightweight, versatile image viewer

  Open source 10.0.906.0 978.6K ↓ ★ 14.7K
• 
  ImageGlass (MSI)

  A lightweight, versatile image viewer

  Open source 10.0.6.906 ★ 14.7K

Related guide: Change the default app for a file type in Windows